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87 lines
2.8 KiB
Go
87 lines
2.8 KiB
Go
// Copyright 2013 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"fmt"
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"io/ioutil"
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"path"
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"strings"
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"testing"
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)
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var fixturesPath = "fixtures"
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var configTests = []struct {
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inputFile string
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printedFile string
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shouldFail bool
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errContains string
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}{
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{
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inputFile: "minimal.conf.input",
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printedFile: "minimal.conf.printed",
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}, {
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inputFile: "sample.conf.input",
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printedFile: "sample.conf.printed",
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}, {
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// TODO: Options that are not provided should be set to sane defaults or
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// create errors during config loading (as appropriate). Right now, these
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// options remain at their zero-values, which is probably not what we want.
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inputFile: "empty.conf.input",
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printedFile: "empty.conf.printed",
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},
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// TODO: To enable testing of bad configs, we first need to change config
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// loading so that it doesn't exit when loading a bad config. Instead, the
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// configuration error should be passed back all the way to the caller.
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//
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//{
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// inputFile: "bad_job_option.conf.input",
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// shouldFail: true,
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// errContains: "Missing job name",
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//},
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}
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func TestConfigs(t *testing.T) {
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for _, configTest := range configTests {
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testConfig, err := LoadFromFile(path.Join(fixturesPath, configTest.inputFile))
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if err != nil {
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if !configTest.shouldFail {
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t.Errorf("Error parsing config %v: %v", configTest.inputFile, err)
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} else {
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if !strings.Contains(err.Error(), configTest.errContains) {
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t.Errorf("Expected error containing '%v', got: %v", configTest.errContains, err)
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}
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}
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} else {
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printedConfig, err := ioutil.ReadFile(path.Join(fixturesPath, configTest.printedFile))
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if err != nil {
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t.Errorf("Error reading config %v: %v", configTest.inputFile, err)
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continue
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}
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expected := string(printedConfig)
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actual := testConfig.ToString(0)
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if actual != expected {
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t.Errorf("%v: printed config doesn't match expected output", configTest.inputFile)
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t.Errorf("Expected:\n%v\n\nActual:\n%v\n", expected, actual)
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t.Errorf("Writing expected and actual printed configs to /tmp for diffing (see test source for paths)")
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ioutil.WriteFile(fmt.Sprintf("/tmp/%s.expected", configTest.printedFile), []byte(expected), 0600)
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ioutil.WriteFile(fmt.Sprintf("/tmp/%s.actual", configTest.printedFile), []byte(actual), 0600)
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}
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}
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}
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}
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